bump HighFive to v2.7.1 (#278)

mgeplf · web-flow · commit e0086d467008 · 2023-06-23T13:03:56.000+02:00
diff --git a/extlib/HighFive b/extlib/HighFive
@@ -1 +1 @@
-Subproject commit 34bbc607182b8eab3f5dee539e428cfe403542f6
+Subproject commit be68bd0efcef338a016fba448d6444089fd196d5
